The collections, its diversity, and size are considered a wealth of heritage and a historical reference for Arabia.
Group includes
212,000 stamps (oldest since 1867)
5,000 documents (oldest since 1865)
120,000 manuscripts and books
مايو 1960م
مغلف
مغلف مسجل
طابع جوي 1949م
م29.05.1960 = 03.12.1379 هـ